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Catalyst Semiconductor Rolls Out New Family of General Purpose I/O Expanders with 8-Bit I2C/SMBus Devices; CAT9554 and CAT9554A Offer Second Source to Philips PCA9554/PCA9554A Bus Expanders.


SUNNYVALE, Calif. -- Catalyst Semiconductor, Inc. (NASDAQ NASDAQ
 in full National Association of Securities Dealers Automated Quotations

U.S. market for over-the-counter securities. Established in 1971 by the National Association of Securities Dealers (NASD), NASDAQ is an automated quotation system that reports on
:CATS) a supplier of analog, mixed-signal and non-volatile memory semiconductors, today announced the expansion of its product lines to include a new family of I/O bus expanders. The first two devices in the family, the CAT9554 and CAT9554A, provide a simple and cost-effective method to address eight I2C I2C Inter-Integrated Circuit
I2C Intelligent Interface Controller
I2C Intelligent Controller
 or SMBus I/O ports. These new devices help designers balance system performance, processor, and board costs for sensor, control, and LED applications in white goods, digital cameras, cell phones, PDAs, routers, hubs and servers.

The CAT9554 and CAT9554A consist of eight ports, which power up as inputs and can be configured as an input or output by writing to a register. An internal power-on reset in both devices eliminates glitches on power-up. Each I/O port is 5V input tolerant, with a high current I/O (Input/Output) The transfer of data between the CPU and a peripheral device. Every transfer is an output from one device and an input to another. See PC input/output.

I/O - Input/Output
 drive sink of up to 25mA and an I/O source of up to 10mA, maximum. Additionally, each I/O port is compatible with logic thresholds of 2.5V, 3.3V and 5V.

The CAT9554 and CAT9554A have different fixed slave addresses to avoid conflict issues and double the potential I/O capabilities.

CAT9554, CAT9554A Product Features

--Second source to Philips PCA (tool, programming) PCA - A dynamic analyser from DEC giving information on run-time performance and code use. 9554/PCA9554A

--2.3V to 5.5V operation

--8 I/O pins that default to inputs at power-up

--Industrial Operating Temperature: -40 degrees C to +85 degrees C

--16-pin SOIC (Small Outline IC) A small-dimension, plastic, rectangular, surface mount chip package that uses gull-wing pins extending outward. See gull-wing lead, SOJ and chip package. , TSSOP TSSOP Thin Shrink Small Outline Package
TSSOP Thin Scale Small Outline Package
 and 16-pad 4x4 TQFN TQFN Thin Quad Flat No-Lead  packages

--100% RoHS-compliant green packages

Price and Green Package Availability

The CAT9554 and CAT9554A are available in three RoHS-compliant package options: 16-pin SOIC, 16-pin TSSOP, and 16-pad 4x4 TQFN. Pricing for 10,000 piece quantities is $0.50 each. Samples and evaluation kits are now available. Projected lead-times for production quantities are currently 6 to 8 weeks ARO. Ordering codes for both the CAT9554 and CAT9554A are shown in the tables below.
CAT9554
-------------------------------------
Ordering Part              Lead
 Number          Package    Finish
-------------------------------------
CAT9554WI-G      SOIC      NiPdAu
-------------------------------------
CAT9554YI-G      TSSOP     NiPdAu
-------------------------------------
CAT9554HV4I      TQFN      Matte-Tin
-------------------------------------

CAT9554A
-------------------------------------
Ordering Part              Lead
 Number          Package    Finish
-------------------------------------
CAT9554AWI-G     SOIC      NiPdAu
-------------------------------------
CAT9554AYI-G     TSSOP     NiPdAu
-------------------------------------
CAT9554AHV4I     TQFN      Matte-Tin
-------------------------------------


About Catalyst Semiconductor

Founded in 1985, Catalyst Semiconductor, Inc. is headquartered in Sunnyvale, California. The Company produces analog and mixed signal products in addition to an extensive range of nonvolatile memories. The analog and mixed-signal product lines include Digitally Programmable Potentiometers (DPP DPP - Dining Philosophers Problem (TM)), Microcontroller Supervisory circuits, White and Color LED Drivers and DC/DC converters. The memory product lines consist of Serial and Parallel EEPROMs, Flash and NVRAM (Non-Volatile RAM) May refer to dynamic RAM (DRAM) and static RAM (SRAM) chips that are backed up by a battery or to non-volatile chips such as flash memory. See non-volatile memory, dynamic RAM, static RAM and solid state disk. . Catalyst devices are used in telecommunications, networking systems, computation, automotive, industrial and consumer markets. Typical applications include LCD displays, automotive instrumentation, optical networks, modems, wireless LANs, network cards, DIMM (Dual In-Line Memory Module) A printed circuit board that holds memory chips and plugs into a DIMM socket on the motherboard. See memory module.

DIMM - Dual In-Line Memory Module
 modules, cellular telephones, digital satellite box receivers, set-top boxes

and Internet routers. Catalyst's Quality Management System is ISO (1) See ISO speed.

(2) (International Organization for Standardization, Geneva, Switzerland, www.iso.ch) An organization that sets international standards, founded in 1946. The U.S. member body is ANSI.
 9001:2000 certified. All Catalyst products are available in "green" lead- and halogen-free versions with full RoHS compliance. For additional information about Catalyst Semiconductor, visit our website at: www.catsemi.com.

Forward Looking Statements

This press release includes forward-looking statements under the Private Securities Litigation Reform Act The Private Securities Litigation Reform Act of 1995 (PSLRA) implemented several significant substantive changes affecting certain cases brought under the federal securities laws, including changes related to pleading, discovery, liability, class representation and awards fees and  of 1995. Excluding statements that report the Company's historical results, these forward-looking statements include, but are not limited to statements about product availability and lead times, which are subject to certain risks and uncertainties. These risks and uncertainties can affect product availability and lead times, and include, but are not limited to: changes in market demand for our products; silicon cycles; changes, delays and/or cancellations of customer orders; and the ability of our or our vendors; to supply foundry, assembly, packaging and other services on schedule. Additional information about factors that could cause actual results to differ materially from those in the forward-looking statements is contained under the heading "Certain Factors That May Affect the Company's Future Results of Operations" described from time-to-time in Catalyst's SEC reports including, but not limited to, the report on the Form 10-K Form 10-K

A report required by the SEC from exchange-listed companies that provides for annual disclosure of certain financial information.


Form 10-K

See 10-K.
 for the year ended April 30, 2005 and Forms 10-Q for the subsequent three fiscal quarters.
Editor Notes:

        1. Trademark notices: DPP is a trademark of Catalyst
           Semiconductor, Inc.

        2. I2C is a registered trademark of Philips Corporation.

        3. The "2" in I2C is superscript.

        4. SMBus stands for "System Management Bus"

        5. Electronic images are available at: www.catsemi.com/editor.
COPYRIGHT 2006 Business Wire
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2006, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Geographic Code:1USA
Date:Jul 18, 2006
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